Configure the dial plan for your organization's PBX so incoming calls to the BlackBerry® Mobile Voice System
users'
PBX extensions are routed to the media gateway through the tie trunk group.

Program a route on your organization's PBX so that the PBX can route outgoing calls from the tie trunk group to the BlackBerry MVS
users' PBX extensions.

Program your organization's PBX
so that the tie trunk group has appropriate permissions to make outgoing calls to external phone numbers over the PSTN.

Identify and
create the DID numbers that BlackBerry MVS requires. Record the DID numbers for future use.

Program your organization's PBX
to display caller IDs of the BlackBerry MVS
users for calls within your organization's phone system (internal and network), and external calls (local, long distance, and international). For more
information, see the documentation for your organization's
PBX.

To configure the media gateway, see the configuration note for your organization's
media gateway.

To install the BlackBerry MVS software, see the BlackBerry Mobile Voice System
Installation and Configuration Guide.